ã¾ãã2åã®ãã¯ãã«:a,b ã®é¢ä¿:θã¯ã次ã®ããã«è¡¨ãã¾ãã ããã§ã ã¯aã¨bã®å ç©ãªã®ã§ã2次å ã®ãã¯ãã«ã§ããã°ã ã§è¡¨ããã¾ãã ã¯ãã¯ãã«ã®å¤§ãããªã®ã§ã ã¨ãªãã¾ãã â»ãã¯ãã«ã®å ç©ã大ããã¯ãæ´ã«å¤æ¬¡å (n次å )ã«ãªãã¨ã ã ãããperlã§å®è£ ããã¨ã次ã®ããã«éãã #!/usr/local/bin/perl use strict; use Data::Dumper; my @VEC_KEYS = qw/hoge fuga foo/; #ãã¯ãã«ãæã¤key main(); sub main { my $vec_1 = {hoge => 1, fuga => 2, foo => 3}; my $vec_2 = {hoge => 3, fuga => 1}; my $cos_similar = cosine_similarity($vec_1,$vec_2); pr
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